EastEnders is no stranger to heartbreaking medical crises but Denise’s battle with leukaemia has taken a terrifying turn. Elsewhere, Kim’s discovery of a secret half-brother named Darnell might be the only thing standing between life and death. Denise Fox Struggles In The Hospital As Chemo Fails To WorkDenise faces another heart-breaking medical setback in upcoming episodes. Now, despite completing chemotherapy, Denise learns that her cancer treatment is still not working as hoped. In fact, it seems that Darnell could be the only person who could save Denise.